The weekend's severe weather left behind a trail of destruction stretching from Oklahoma to Texas and a border town in Mexico, including heavy flooding and a deadly tornado. Here's the count:

29: Deaths since Friday — 9 in Texas, 7 in Oklahoma, 13 in tornado that hit border city of Ciudad Acuna, Mexico

42: Unaccounted for in Central Texas flooding, including 8 in vacation home swept down the Blanco River

11: Inches of rain in parts of Houston area, mostly in a six-hour period from 9 p.m. Monday to 3 a.m. Tuesday

2,500: Abandoned vehicles on Houston roadways after drivers sought higher ground

500-700: Homes damaged by flooding in Harris County, which includes Houston metro

800: Homes destroyed in the Ciudad Acuna tornado

About 530: Water-related calls handled by Houston emergency crews since midnight Monday, primarily assisting motorists stuck in their vehicles